Paper advance control circuit in high speed printers



May 25, 1965 M. D. SPITSBERGEN ETAL 3,135,233

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER 24 Sheets-Sheet 1 Filed Sept. 25, 1961 v INVENTORS 415% //v 0. s /rssmai/v May 25, 1965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25, 1961 24 Sheets-Sheet 2 May 25, 1965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER 24 Sheets-Sheet 5 Filed Sept. 25, 1961 May 1965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25, 1961 24 Sheets-Sheet 4 y 1965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25, 1961 24 Sheets-Sheet 5 42 l3? //6 fli 385 382 ma-3 /36 A y 1965 M. D. SPITSBERGEN ETAL 3,185,283

7 PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25, 1961 24 Sheets-Sheet 6 Qmw y 1965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25, 1961 24 Sheets-Sheet 7 y 1-965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER 24 Sheets-5119M 8 Filed Sept. 25, 1961 May 25, 1965 M. o. SPITSBERGEN ETAL 3,135,233

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRiNTER Filed Sept. 25, 1961 24 Sheets-Sheet 9 May 25, 1965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HI GH SPEED PRINTER y 1965 D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25. 1961 2-4 Sheets-$heet 11 JIIIIII- ll l K 7 l 4 !u .TIZIIIIIl-n- May 25, 1965 M. n. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25. 1961 24 Sheets-Sheet 12 May 25, 1965 M. 0. SPITSB ERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER 7 Filed Sept. 25, 1961 24 Sheets-Sheet l3 M 4' AWNH RMJ m 1% .i :1 J M E JR. n mm o Gm 3M lg. mww m H T w ..@..@m ..I!..Z11| 11'! III T.X H: .m NmW N2 z r m, SK com an v ram 3% mmqwm N3 RN $M mum wmm m m9. MM QM 7 N2 3 kwN y 1965 M. D. SPITSBERGEN ETAL 3,185,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER 24 Sheets-Sheet l4 MRN 1M sq m a? l w #3 5" MN RAN 9W -w- 3? Sq m. .5 m m mg 5 Qw w 2% d e l m RN May 25, 1965 M. D. SPITSBERGEN ETAL 3,135,283

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25. 1961 24 Sheets-Sheet 15 May 25,1965 D. sPrrsBERGEN Em PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER 24 Shoots-Shoat 16 Filed Sept. 25. 1961 Um H Nun-W May 25, 1965 M. o. SPITSBERGEN ETAL 3,135,283

PAPER-ADVANQE CONTROL CIRCUIT IN HIGH SPEED PRINTER 24 Sheets-Sheet 17 Filed Sept. 25, 1961 M. o. SPITSBERGEN ETAL. 3, 3

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER 2 Sheets-Shee t 18 May 25, 1965 Filed Sept. 25, 1961 PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25. 1961 May 25, 1965 M. o. SPITSBERGEN ETAL 24 Sheets-Sheet 19 mm H R QN

PAPER ADVANCE CONTROL CIRCUIT IN HIGH SPEED PRINTER Filed Sept. 25. 1961 May 25, 1965 M. o. SPITSBERGEN ETAL 24 Sheets-Sheet 20 NMNA J WXQ 

1. IN A PRINTER FOR PRINTING ON PAPER, SAID PRINTER HAVING PAPER ADVANCE MEANS WHICH INCLUDE A CLUTCH MECHANISM AND AN ELECTRICAL ACTUATING COIL WITH SAID CLUTCH MECHANISM; THE IMPROVEMENT COMPRISING AN ELECTRONIC CONTROL CIRCUIT INCLUDING A RELATIVELY HIGH POWER CIRCUIT CONNECTED TO THE COIL OF SAID PAPER ADVANCE MEANS FOR INITIALLY ENERGIZING THE COIL ON RECEIVING A PAPER ADVANCE SIGNAL, A RELATIVELY LOW POWER CIRCUIT ALSO CONNECTED TO SAID COIL IN PARALLEL WITH SAID HIGH POWER CIRCUIT, AND THE HIGH POWER CIRCUIT INITIALLY ENERGIZED ON THE CONTROL CIRCUIT RECEIVING A PAPER ADVANCE SIGNAL, AND THE LOW POWER CIRCUIT MAINTAINING THE COIL ENERGIZED UNTIL A STOP PAPER ADVANCE SIGNAL IS RECEIVED THEREBY, AND A STOP PAPER ADVANCE CIRCUIT MEANS TO PROVIDE SAID STOP PAPER ADVANCE SIGNAL, SAID CIRCUIT MEANS CONNECTED IN SERIES WITH THE LOW POWER CIRCUIT FOR PROVIDING SAID STOP PAPER ADVANCE SIGNAL WHICH IS OPERABLE TO DEENERGIZE SAID COIL. 